The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Partial Red Hat: 16 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a (1) negative or (2) large property count in a BDF font file.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:x:libxfont:*:*:*:*:*:*:*:* | up to 1.4.8 | Vulnerable | X |
| cpe:2.3:a:x:libxfont:1.5.0:*:*:*:*:*:*:* | 1.5.0 | Vulnerable | X |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* | 10.04 | Running on | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Running on | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Running on | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* | 14.10 | Running on | Canonical |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Running on | Debian |
- cpe:2.3:a:x:libxfont:*:*:*:*:*:*:*:* Versions up to 1.4.8 Vulnerable ·X
- cpe:2.3:a:x:libxfont:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·X
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* Versions 10.04 Running on ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Running on ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Running on ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* Versions 14.10 Running on ·Canonical
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Debian
Remediation
Red Hat 1 advisory
- RHSA-2015:1708 Released 2015-09-03 · Red Hat rating ImportantlibXfont security update
- Red Hat Enterprise Linux Client (v. 7) libXfont-1.4.7-3.el7_1
- Red Hat Enterprise Linux Client Optional (v. 7) libXfont-devel-1.4.7-3.el7_1
- Red Hat Enterprise Linux ComputeNode (v. 7) libXfont-1.4.7-3.el7_1
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libXfont-devel-1.4.7-3.el7_1
- Red Hat Enterprise Linux Desktop (v. 6) libXfont-1.4.5-5.el6_7
- Red Hat Enterprise Linux Desktop Optional (v. 6) libXfont-1.4.5-5.el6_7, libXfont-devel-1.4.5-5.el6_7
- Red Hat Enterprise Linux HPC Node (v. 6) libXfont-1.4.5-5.el6_7
- Red Hat Enterprise Linux HPC Node Optional (v. 6) libXfont-1.4.5-5.el6_7, libXfont-devel-1.4.5-5.el6_7
- Red Hat Enterprise Linux Server (v. 6) libXfont-1.4.5-5.el6_7
- Red Hat Enterprise Linux Server (v. 7) libXfont-1.4.7-3.ael7b_1, libXfont-1.4.7-3.el7_1, libXfont-1.4.7-3.el7_1.ppc
- Red Hat Enterprise Linux Server Optional (v. 6) libXfont-1.4.5-5.el6_7, libXfont-1.4.5-5.el6_7.ppc, libXfont-devel-1.4.5-5.el6_7 +1
- Red Hat Enterprise Linux Server Optional (v. 7) libXfont-devel-1.4.7-3.ael7b_1, libXfont-devel-1.4.7-3.el7_1, libXfont-devel-1.4.7-3.el7_1.ppc
- Red Hat Enterprise Linux Workstation (v. 6) libXfont-1.4.5-5.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) libXfont-1.4.7-3.el7_1
- Red Hat Enterprise Linux Workstation Optional (v. 6) libXfont-1.4.5-5.el6_7, libXfont-devel-1.4.5-5.el6_7
- Red Hat Enterprise Linux Workstation Optional (v. 7) libXfont-devel-1.4.7-3.el7_1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2015:1708 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:1708 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-1802
- 2026-10-03 Alias added: GHSA-f3m3-9rj4-h5hq
References
Advisory 11
More X Libxfont vulnerabilities
- TI-2013-05415 Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in… CVSS 2.0HIGH 9.3
- TI-2011-02548 The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in… CVSS 2.0HIGH 9.3
- TI-2007-05009 A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact. CVSS 3.1CRITICAL 9.8
- TI-2015-01621 The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and… CVSS 2.0HIGH 8.5
- TI-2015-01620 The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and… CVSS 2.0HIGH 8.5
- TI-2026-40398 libXfont2 computeProps Property Buffer Heap Buffer Overflow CVSS 3.1HIGH 8.8
Sources
- CVE-2015-1802 · CVE Program
- CVE-2015-1802 · NVD
- FIRST EPSS
- GHSA-f3m3-9rj4-h5hq · GitHub Advisory Database · CC BY 4.0
- CVE-2015-1802 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences